public ActionResult Reply(int id, ReplyTweetBindingModel model)
        {
            if (!this.ModelState.IsValid)
            {
                return Json(this.ModelState);
            }

            var replyTo = this.Data.Tweets.Find(id);

            if (replyTo == null)
            {
                return this.Json("Not found");
            }

            var user = this.Data.Users.Find(this.User.Identity.GetUserId());

            this.Data.Tweets.Add(new Tweet()
            {
                Content = model.Content,
                UserId = user.Id,
                TweetDate = DateTime.Now,
                ReplyToId = replyTo.Id
            });

            this.Data.SaveChanges();

            return RedirectToAction("Index", "Home");
        }
        public ActionResult Reply(int id, ReplyTweetBindingModel model)
        {
            if (model == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest, "Missing data");
            }

            if (!this.ModelState.IsValid)
            {
                return new HttpStatusCodeResult(HttpStatusCode.BadRequest, JsonConvert.SerializeObject(this.ModelState));
            }

            var replyTo = this.Data.Tweets.Find(id);

            if (replyTo == null)
            {
                return new HttpStatusCodeResult(HttpStatusCode.NotFound, "Tweet not found");
            }

            var user = this.Data.Users.Find(this.User.Identity.GetUserId());

            this.Data.Tweets.Add(new Tweet()
            {
                Content = model.Content,
                UserId = user.Id,
                TweetDate = DateTime.Now,
                ReplyToId = replyTo.Id
            });

            this.Data.SaveChanges();

            return RedirectToAction("Index", "Home");
        }